The Committee on Educational Planning, Policies and Programs approved a policy change that could reduce each academic semester by one week in a near-unanimous vote.
The policy change calls for UNC-system schools to provide a minimum of 750 minutes of class time per credit hour, including exam periods.
Under the current policy UNC-system schools have to offer 75 class days a semester, excluding exam periods.
Each UNC-system school will have to alter its own policy before the calendar change can take affect.
"Some campuses I know will not change their existing (academic) calendar)," said Gretchen Bataille, UNC-system senior vice president for academic affairs.
The UNC-CH Faculty Council approved a resolution last September asking the BOG to shorten the academic year.
The current calendar came into effect in 1996, when then-UNC-system President C.D. Spangler increased the academic calendar from 140 to 150 days.
On Thursday the BOG Budget and Finance Committee also voted on a one-time exemption for two UNC-system schools that violated the 18 percent out-of-state freshmen enrollment cap for the second consecutive year.
The Office of the President recommended that the BOG exempt the two UNC-system schools -- Elizabeth City State University and UNC-Wilmington -- from budget reductions for violating the cap because of budget cuts already sustained by the UNC system.